KTM 85 SX 2020 Maintenance Schedule
The 2020 KTM 85 SX maintenance schedule below covers the manufacturer's recommended service intervals for general maintenance, brake fluid, tires, drive chain maintenance, spark plugs, oil, coolant and air filter. Intervals are shown in kilometres by default and can be switched to miles.
85ccEngine size
46Maintenance items
Official manufacturer manual
Sourced from KTM Owner's Manual (official PDF content, mirrored via authorized KTM dealer ktmshop.se): ktmshop.se
Full schedule
| Task | Interval | Difficulty | Notes |
|---|---|---|---|
| Check the front brake linings | Every 20 operating hours | Easy | Check the front brake linings |
| Check the rear brake linings | Every 20 operating hours | Easy | Check the rear brake linings |
| Check the brake discs | Every 20 operating hours | Easy | Check the brake discs |
| Check the brake lines for damage and leakage | Every 20 operating hours | Easy | Check the brake lines for damage and leakage |
| Change the foot brake cylinder sealing cup | Every 20 operating hours | Moderate | Change the foot brake cylinder sealing cup |
| Check the rear brake fluid level | Every 20 operating hours | Moderate | Check the rear brake fluid level |
| Check the frame | Every 20 operating hours | Easy | Check the frame |
| Check the link fork | Every 20 operating hours | Easy | Check the link fork |
| Check the fork bearing for play | Every 20 operating hours | Moderate | Check the fork bearing for play |
| Check the heim joint for play | Every 20 operating hours | Advanced | Check the heim joint for play |
| Check the wheel bearing for play | Every 20 operating hours | Advanced | Check the wheel bearing for play |
| Check the wheel hubs | Every 20 operating hours | Easy | Check the wheel hubs |
| Check the chain, rear sprocket, engine sprocket, and chain guide | Every 20 operating hours | Easy | Check the chain, rear sprocket, engine sprocket, and chain guide |
| Check the chain tension | Every 20 operating hours | Easy | Check the chain tension |
| Grease all moving parts (e.g., hand lever, chain, ...) and check for smooth operation | Every 20 operating hours | Easy | Grease all moving parts (e.g., hand lever, chain, ...) and check for smooth operation |
| Check the fluid level of the hydraulic clutch | Every 20 operating hours | Easy | Check the fluid level of the hydraulic clutch |
| Check the front brake fluid level | Every 20 operating hours | Moderate | Check the front brake fluid level |
| Check the free travel of the hand brake lever | Every 20 operating hours | Easy | Check the free travel of the hand brake lever |
| Check the steering head bearing play | Every 20 operating hours | Advanced | Check the steering head bearing play |
| Change the spark plug and spark plug connector | Every 10 operating hours | Easy | Change the spark plug and spark plug connector |
| Change the gear oil | Every 20 operating hours | Easy | Change the gear oil |
| Check the antifreeze and coolant level | Every 20 operating hours | Easy | Check the antifreeze and coolant level |
| Check that the throttle cables are undamaged, routed without sharp bends, and set correctly | Every 20 operating hours | Easy | Check that the throttle cables are undamaged, routed without sharp bends, and set correctly |
| Change the glass fiber yarn filling of the main silencer | Every 40 operating hours | Easy | Change the glass fiber yarn filling of the main silencer |
| Service the fork | Every 40 operating hours | Advanced | Service the fork |
| Perform the shock absorber service | Every 40 operating hours | Advanced | Perform the shock absorber service |
| Check the tightness of the easily accessible, safety-relevant screws and nuts | Every 20 operating hours | Easy | Check the tightness of the easily accessible, safety-relevant screws and nuts |
| Check the idle speed | Every 20 operating hours | Easy | Check the idle speed |
| Final check: check the vehicle for operating safety and take a test ride | Every 20 operating hours | Easy | Final check: check the vehicle for operating safety and take a test ride |
| Make a service entry in the KTM Dealer.net | Every 20 operating hours | Easy | Make a service entry in the KTM Dealer.net |
| Change the front brake fluid | Every 10 operating hours | Moderate | Change the front brake fluid |
| Change the rear brake fluid | Every 12 months · Every 10 operating hours | Moderate | Change the rear brake fluid |
| Change the hydraulic clutch fluid | Every 10 operating hours | Moderate | Change the hydraulic clutch fluid |
| Grease the steering head bearing | Every 10 operating hours | Easy | Grease the steering head bearing |
| Check/adjust the carburetor components | Every 10 operating hours | Moderate | Check/adjust the carburetor components |
| Perform minor engine service (check the inlet membrane; check the clutch; under difficult operating conditions, change the piston and check the cylinder and Z dimension) | Every 12 months · Every 20 operating hours | Advanced | Perform minor engine service (check the inlet membrane; check the clutch; under difficult operating conditions, change the piston and check the cylinder and Z dimension) |
| Perform the intermediate engine service (change the piston; check the cylinder and Z dimension; check the exhaust power-valve control for functioning and smooth operation) | Every 12 months · Every 40 operating hours | Advanced | Perform the intermediate engine service (change the piston; check the cylinder and Z dimension; check the exhaust power-valve control for functioning and smooth operation) |
| Perform major engine service including removing and installing the engine (change the connecting rod, conrod bearing, and crank pin; check the transmission and shift mechanism; change all engine bearings) | Every 40 operating hours | Expert | Perform major engine service including removing and installing the engine (change the connecting rod, conrod bearing, and crank pin; check the transmission and shift mechanism; change all engine bearings) |
| Check the free travel of the foot brake lever | Every 20 operating hours | Easy | Check the free travel of the foot brake lever |
| Check the tire condition | Every 20 operating hours | Easy | Check the tire condition |
| Check tire pressure | Every 20 operating hours | Easy | Check tire pressure |
| Check the rim run-out | Every 20 operating hours | Easy | Check the rim run-out |
| Check the spoke tension | Every 20 operating hours | Easy | Check the spoke tension |
| Check all hoses (e.g. fuel, cooling, bleeder, drainage, etc.) and sleeves for cracking, leaks, and incorrect routing | Every 20 operating hours | Easy | Check all hoses (e.g. fuel, cooling, bleeder, drainage, etc.) and sleeves for cracking, leaks, and incorrect routing |
| Check the cables for damage and for routing without kinks | Every 20 operating hours | Easy | Check the cables for damage and for routing without kinks |
| Clean the air filter and air filter box | Every 20 operating hours | Easy | Clean the air filter and air filter box |
No maintenance items match your search.
Easy: basic tools, straightforward Easy–Moderate: varies by task — somewhere between the two Moderate: some mechanical know-how helps Advanced: specialized tools/skill, still DIY-doable Expert: significant experience required Professional: dealer or shop recommended
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